fix(kube): add default client config to the loading rules

fixes: #1505

pkg/kube/config.go

@@ -16,14 +16,15 @@ limitations under the License.
 
 package kube // import "k8s.io/helm/pkg/kube"
 
-import (
-	"k8s.io/kubernetes/pkg/client/unversioned/clientcmd"
-)
+import "k8s.io/kubernetes/pkg/client/unversioned/clientcmd"
 
 // GetConfig returns a kubernetes client config for a given context.
 func GetConfig(context string) clientcmd.ClientConfig {
 	rules := clientcmd.NewDefaultClientConfigLoadingRules()
+	rules.DefaultClientConfig = &clientcmd.DefaultClientConfig
+
 	overrides := &clientcmd.ConfigOverrides{ClusterDefaults: clientcmd.ClusterDefaults}
+
 	if context != "" {
 		overrides.CurrentContext = context
 	}